62- Cellphone Device
$25.25 – $75.25
This circuit historically is attached to a cell phone. The small signal from the speaker of the cell phone engages with an optocoupler to trigger an SCR, which triggers a relay to fire a DET.
The parts in this kit will allow the student to complete this lab.
Choose “Full Kit (PCB + Parts)” for a solder kit that includes all required parts for the build, a quick reference card and support from our amazing community of makers.
Choose “Assembled and Tested” for a fully assembled and tested ready to use device and reference card.
Related products
-
04- MOSFET RC Timer
$25.95 – $75.95 Select options This product has multiple variants. The options may be chosen on the product page -
38- Collapsing Circuit – Dual Out
$26.95 – $76.95 Select options This product has multiple variants. The options may be chosen on the product page -
69- Fake Det Cord Collapsing Circuit
Read more
